fastjson基本使用

fastjson 的github地址：

https://github.com/alibaba/fastjson

基本使用示例：

FastJsonDemo.java

import com.alibaba.fastjson.JSON;

/**
 * fastjson示例
 *
 * @author Kevin
 * @date 2016-03-03
 */
public class FastJsonDemo {

	public static void main(String[] args) {
		Group group = new Group();
		group.setId(1L);
		group.setName("admin");

		User guestUser = new User();
		guestUser.setId(2L);
		guestUser.setName("guest");

		User rootUser = new User();
		rootUser.setId(3L);
		rootUser.setName("root");

		group.addUser(guestUser);
		group.addUser(rootUser);

		// Encode
		String jsonString = JSON.toJSONString(group);

		// jsonString的值为：
		// {"id":1,"name":"admin","users":[{"id":2,"name":"guest"},{"id":3,"name":"root"}]}

		// Decode
		Group decodeGroup = JSON.parSEObject(jsonString,Group.class);
	}
}

Group.java

import java.util.ArrayList;
import java.util.List;

/**
 * 用户组
 *
 * @author Kevin
 * @date 2016-03-03
 */
public class Group {
	private Long id;
	private String name;
	private List<User> users = new ArrayList<User>();

	public Long getId() {
		return id;
	}

	public void setId(Long id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public List<User> getUsers() {
		return users;
	}

	public void setUsers(List<User> users) {
		this.users = users;
	}

	public void addUser(User user) {
		users.add(user);
	}
}

User.java

/**
 * 用户
 *
 * @author Kevin
 * @date 2016-03-03
 */
public class User {
	private Long id;
	private String name;

	public Long getId() {
		return id;
	}

	public void setId(Long id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}
}

（编辑：李大同）

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